<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/home.jpg" alt="" width="60px" >
        <span>{{title}}</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主体区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '220px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单区域 -->
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
          <!-- 一级菜单 -->
          <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
            <!-- 一级菜单的模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/' + subItem.path)">
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主体 -->
      <el-main>
        <!-- 路由占位符 -->
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      // 左侧菜单数据
      menulist: [],
      iconsObj: {
        '125': 'iconfont icon-user',
        '103': 'iconfont icon-tijikongjian',
        '101': 'iconfont icon-shangpin',
        '102': 'iconfont icon-danju',
        '145': 'iconfont icon-baobiao',
        '126': 'iconfont icon-users'
      },
      // 是否折叠
      isCollapse: false,
      // 被激活的链接地址
      activePath: '',
      usertype: '',
      title:''
    }
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    async logout() {
//       const { data: res } = await this.$http.get('user/logout')
//
//       if(res.code !== 200) return this.$message.error('登出失败！')
//
      this.$message.success('登出成功')
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    // 获取所有的菜单
    async getMenuList() {
      this.usertype = window.sessionStorage.getItem('userType');
      if(this.usertype == 'student'){
        // 幼儿家长
        this.title='家长后台'
        this.menulist=[
        {
          authName: '个人信息管理',
          id: 125,
          children: [{
            authName: '修改个人信息',
            id: 1,
            path: 'fixinfor'
          },
          {
            authName: '修改个人密码',
            id: 2,
            path: 'fixpassword'
          }]
        },
        {
          authName: '学生作品查看',
          id: 101
        },
        ]
      }
      else if(this.usertype == 'teacher'){
        //教师菜单
        this.title='教师后台'
        this.menulist = [
        {
          authName: '个人信息管理',
          id: 125,
          children: [{
            authName: '修改个人信息',
            id: 1,
            path: 'fixinfor'
          },
          {
            authName: '修改个人密码',
            id: 2,
            path: 'fixpassword'
          }]
        },
        {
            authName: '我的班级',
            id: 145,
            children: [{
                authName: '我的教学班',
                id: 3,
                path: 'classesdata'
            }, {
                authName: '我的行政班',
                id: 4,
                path: 'nurserydata'
            }, {
                authName: '作品管理',
                id: 5,
                path: 'worksdata'
            }]
        }
        ]
      }
      else if(this.usertype == 'master'){

        this.title='课程管理员后台'
        this.menulist = [
        {

          authName: '个人信息管理',
          id: 125,
          children: [{
            authName: '修改个人信息',
            id: 1,
            path: 'fixinfor'
          },
          {
            authName: '修改个人密码',
            id: 2,
            path: 'fixpassword'
          }]
        },
        {
            authName: '课程管理',
            id: 103,
            children: [{
                authName: '课程数据添加',
                id: 11,
                path: 'couseradd'
            },{
                authName: '课程数据管理',
                id: 12,
                path: 'coursedata'
            }]
        }]
      }
      else if(this.usertype = 'admin'){
        this.title='系统管理员后台'
        this.menulist = [
        {

          authName: '个人信息管理',
          id: 125,
          children: [{
            authName: '修改个人信息',
            id: 1,
            path: 'fixinfor'
          },
          {
            authName: '修改个人密码',
            id: 2,
            path: 'fixpassword'
          }]
        },
        {
          authName: '用户管理',
          id: 126,
          children: [{
            authName: '教师数据管理',
            id: 3,
            path: 'teacherdata'
          },
          {
            authName: '班级数据管理',
            id: 4,
            path: 'classdata'
          },
          {
            authName: '幼儿数据管理',
            id: 5,
            path: 'childrendata'
          },{
            authName: '系统管理员数据管理',
            id: 6,
            path: 'admindata'
          },{
                  authName: '课程管理员数据管理',
                  id: 7,
                  path: 'masterdata'
          }]
        },{
            authName: '课程管理',
            id: 103,
            children: [
            {
                    authName: '课程审定',
                    id: 8,
                    path: 'courseapprove'
            }, {
                    authName: '课程状态修改',
                    id: 9,
                    path: 'coursestate'
            },{
                authName: '添加预设班级',
                id: 10,
                path: 'classadd'
            },{
                authName: '预设班级列表',
                id: 11,
                path: 'classpreinstall'
            }]
        },{
            authName: '招生简章',
            id: 101,
            children: [{
                authName: '发布',
                id: 12,
                path: 'issue'
            }, {
                authName: '简章列表',
                id: 13,
                path: 'guidedata'
            }, {
                authName: '教学班列表',
                id: 14,
                path: 'openclass'
            }]
        },
        {
            authName: '首页信息管理',
            id: 102,
            children: [{
                authName: '学校信息修改',
                id: 15,
                path: 'fixSchoolInfo'
            }, {
                authName: '优秀老师列表',
                id: 16,
                path: 'schoolTeacherList'
            }, {
                authName: '新闻列表',
                id: 17,
                path: 'newsList'
            },{
                authName: '合作单位列表',
                id: 18,
                path: 'cooperationList'
            }
            ]
        }
        ]
      }
      else{
        this.menulist = [
          {
             authName: '你没有选择用户类型',
             id:1
          }
        ]
      }

    },
    // 点击按钮，切换菜单的折叠与展开
    toggleCollapse() {
      this.isCollapse = !this.isCollapse
    },
    // 保存链接的激活状态
    saveNavState(activePath) {
      window.sessionStorage.setItem('activePath', activePath)
      this.activePath = activePath
    }
  }
}
</script>

<style lang="less" scoped>

.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}

.el-aside {
  background-color: #333744;
  transition: width 0.5s;
  -moz-transition: width 0.5s; /* Firefox 4 */
  -webkit-transition: width 0.5s; /* Safari 和 Chrome */
  -o-transition: width 0.5s; /* Opera */

  .el-menu {
    border-right: none;
  }
}

.el-main {
  background-color: #eaedf1;
}

.iconfont {
  margin-right: 10px;
}

.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
